docs(docs): document git signatures and needed packages in CONTRIBUTING.MD

Signed-off-by: Nikolas Rimikis <leptopoda@users.noreply.github.com>

.cspell/tools.txt

@@ -47,6 +47,7 @@ plantuml
 precache
 puml
 rpath
+signoff
 startuml
 stdlib
 strconcat

CONTRIBUTING.md

@@ -11,7 +11,18 @@ Currently included are:
 To set up all these tools run the `./tool/setup.sh` script.
 Note that you need to have Dart installed and [`~/.pub-cache/bin/` needs to be in your PATH](https://dart.dev/tools/pub/cmd/pub-global#running-a-script-from-your-path) before running the script.
 
-## Conventional commits
+You will need to have the following packages installed:
+- [yq](https://github.com/kislyuk/yq)
+- [sqlite3](https://pub.dev/packages/sqflite_common_ffi#getting-started)
+- [appindicator3](https://pub.dev/packages/tray_manager#quick-start)
+
+## Picking an issue
+You may wish to start with our list of [good first issues](https://github.com/nextcloud/neon/issues?q=is%3Aopen+is%3Aissue+label%3A%22good+first+issue%22)
+
+## Commits
+All commits need to be signed and signed off to to be pass our tests.
+To sign off your commits use `git commit --signoff`.
+To setup commit signing please consult the [Github documentation](https://docs.github.com/en/authentication/managing-commit-signature-verification/signing-commits).
 We use conventional commits to have meaningful commit messages and be able to generate changelogs.
 A non-breaking feature contribution to `neon_notes` could look like this:
 ```bash
@@ -22,7 +33,8 @@ You can read the full documentation at https://www.conventionalcommits.org.
 ## Tools
 We maintain a collection of scripts in `./tool/`.
 They range from setting up a local Nextcloud server (`./tool/dev.sh`) to generating assets.
-
+Be aware that due to limitations in Apache the dev server will crash when you resize the terminal window.
+    
 ## Monorepo
 For easier development we use a monorepo structure.
 This means that we have multiple packages in one git repository.
@@ -48,4 +60,4 @@ Please adhere to the [effective-dart](https://dart.dev/effective-dart/documentat
 ## Workflow
 We use a rebase workflow, meaning that we rebase PRs onto the latest main branch instead of merging the current main into the development branches.
 This helps to keep the git history cleaner and easier to bisect in the case of debugging an error.
-You can read more on it [here](https://www.atlassian.com/git/tutorials/merging-vs-rebasing).
+You can read more on it [here](https://www.atlassian.com/git/tutorials/merging-vs-rebasing).