Add the wiki, Quality and Release workflows

Add a wiki/ folder with a .publish marker for the shared Publish wiki
workflow, a Quality workflow (shellcheck and shfmt through the shared
reusable workflow) and a manual Release workflow that builds the release
page from CHANGELOG.md.

Set switch_case_indent for *.sh in .editorconfig so shfmt accepts the
existing case layout.

wiki/Getting-started.md

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+# Getting started
+
+## Requirements
+
+| Tool | Needed for |
+| --- | --- |
+| bash 4.4 or later | the script (macOS ships 3.2: install a newer bash first) |
+| `git` | the local project and the framework submodule |
+| `curl` | the GitHub and Gitea APIs |
+| `ssh` (optional) | the SSH check; without it the framework steps are skipped |
+| `jq` (optional) | JSON parsing; without it a small built-in reader is used |
+
+## Install
+
+```bash
+git clone https://git.tirsystem.com/TirSystem-BashScript/RepoFoundry.git
+cd RepoFoundry
+src/create-project.sh --help
+```
+
+Nothing is installed system-wide: the script runs from the checkout.
+
+## Configure
+
+Copy `config.env.example` to `config.env` and `.env.example` to `.env`, then set the service addresses and the tokens (see [SSH and tokens](SSH-and-tokens)). `.env` holds credentials and is never committed.
+
+## Run
+
+Start the script from the folder that should hold the new project:
+
+```bash
+src/create-project.sh            # dry run: reads from the hosts, creates nothing
+src/create-project.sh --apply    # creates everything after a final yes
+```
+
+No commit is made in the new project. Work on a branch there: the framework's hooks refuse commits on `main`.

wiki/Home.md

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+# Repo Foundry
+
+Repo Foundry (`src/create-project.sh`) sets up a new project in one run:
+
+- a **Gitea** repository, the source of truth;
+- optionally an empty **GitHub** repository that receives everything through a push mirror from Gitea;
+- a **local project** with one credential-free remote, `origin`, and the SQA-QC-Framework as a git submodule, with its skills, git hooks and templates installed.
+
+It is a Bash script. It shows a plan first and creates nothing until you pass `--apply` and answer yes.
+
+## Pages
+
+| Page | What it covers |
+| --- | --- |
+| [Getting started](Getting-started) | Requirements, install and the first run |
+| [SSH and tokens](SSH-and-tokens) | SSH access to Gitea and the two access tokens |
+| [Troubleshooting](Troubleshooting) | Common failures and what to do |
+
+The full reference (configuration files, security decisions, error handling, known limitations) is the [README](https://git.tirsystem.com/TirSystem-BashScript/RepoFoundry/src/branch/main/README.md).
+Report a problem as an [issue](https://git.tirsystem.com/TirSystem-BashScript/RepoFoundry/issues).

wiki/SSH-and-tokens.md

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+# SSH and tokens
+
+## SSH access to Gitea
+
+The framework submodule is fetched over SSH on port **10022**. Before you run the script:
+
+1. Add your SSH public key to your Gitea account.
+2. Connect once by hand so the server's host key is known (the script refuses unknown host keys):
+
+   ```bash
+   ssh -p 10022 -T git@git.tirsystem.com
+   ```
+
+   A message that you have successfully authenticated, without shell access, means it works.
+
+> **Passphrase keys.** The script never prompts for a passphrase. A key with a passphrase must already be loaded in `ssh-agent` (`ssh-add`). This is tracked in [issue 77](https://git.tirsystem.com/TirSystem-BashScript/RepoFoundry/issues/77).
+
+## Tokens
+
+| Token | Key in `.env` | Needed | Type |
+| --- | --- | --- | --- |
+| Gitea access token | `GITEA_TOKEN` | always | access token with scopes |
+| GitHub personal access token | `GITHUB_PAT` | only when you choose GitHub | **classic** personal access token |
+
+Step by step with pictures: [how to create the access tokens](https://git.tirsystem.com/TirSystem-BashScript/RepoFoundry/src/branch/main/howto/create-access-tokens.md). The exact permissions are under [Token permissions](https://git.tirsystem.com/TirSystem-BashScript/RepoFoundry/src/branch/main/README.md#token-permissions) in the README.

wiki/Troubleshooting.md

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+# Troubleshooting
+
+| Symptom | What to check |
+| --- | --- |
+| The plan says the SSH test failed | Your key is in your Gitea account, the host key is known (`ssh -p 10022 -T git@git.tirsystem.com`), and a passphrase key is loaded with `ssh-add` |
+| The script stops at the tool check | bash is 4.4 or later, and `git` and `curl` are installed |
+| A host rejects the token | The token is current and has the scopes in [SSH and tokens](SSH-and-tokens) |
+| A run stopped half way | Fix the cause and run the same command again with `--apply`: what was already created is offered for reuse |
+
+More: [Error handling and recovery](https://git.tirsystem.com/TirSystem-BashScript/RepoFoundry/src/branch/main/README.md#error-handling-and-recovery) and [Known limitations](https://git.tirsystem.com/TirSystem-BashScript/RepoFoundry/src/branch/main/README.md#known-limitations) in the README.

wiki/_Sidebar.md

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+- [Home](Home)
+- [Getting started](Getting-started)
+- [SSH and tokens](SSH-and-tokens)
+- [Troubleshooting](Troubleshooting)