Format yaml files

The schema at https://json.schemastore.org/gitea-issue-forms.json
doesn't like empty titles, so just remove the key to the same effect as
a zero length string.

Add document start markers where they are missing.

Use a max line length of 100 as discussed with Dunedan.

Signed-off-by: Ralph Sennhauser <ralph.sennhauser@gmail.com>

.gitea/ISSUE_TEMPLATE/defect.yaml

@@ -1,19 +1,24 @@
+---
 name: Defect
-about: Report an issue with the game. Errors, crashes, unexpected behaviour should be reported this way.
-title: ""
+about: >
+  Report an issue with the game. Errors, crashes, unexpected behaviour should be reported this way.
 labels:
   - "Type/Defect"
   - "Priority/3: Should Have"
 body:
   - type: markdown
     attributes:
-      value: |
-        **Please select a Theme label that corresponds best to your issue. You can also adjust the Priority label.**
+      value: >
+        **Please select a Theme label that corresponds best to your issue. You can also adjust the
+        Priority label.**
 
   - type: checkboxes
     attributes:
       label: Reporting Errors
-      description: For crashes and errors, you must read the [ReportingErrors](wiki/ReportingErrors) page. In particular, if you are reporting a crash, you must upload crashlog files in the Description field below.
+      description: >
+        For crashes and errors, you must read the [ReportingErrors](wiki/ReportingErrors) page. In
+        particular, if you are reporting a crash, you must upload crashlog files in the Description
+        field below.
       options:
         - label: I have read the ReportingErrors wiki page.
           required: true
@@ -29,6 +34,8 @@ body:
   - type: input
     attributes:
       label: Version
-      description: Type the version of the game you are running (displayed at the bottom of the main menu, or the Alpha version, or "nightly-build").
+      description: >
+        Type the version of the game you are running (displayed at the bottom of the main menu, or
+        the Alpha version, or "nightly-build").
     validations:
       required: true

.gitea/ISSUE_TEMPLATE/enhancement.yaml

@@ -1,14 +1,15 @@
+---
 name: Enhancement
 about: Ask us for an improvement you wish to see in the game.
-title: ""
 labels:
   - "Type/Enhancement"
   - "Priority/3: Should Have"
 body:
   - type: markdown
     attributes:
-      value: |
-        **Please select a Theme label that corresponds best to your issue. You can also adjust the Priority label.**
+      value: >
+        **Please select a Theme label that corresponds best to your issue. You can also adjust the
+        Priority label.**
 
   - type: textarea
     attributes:
@@ -18,7 +19,9 @@ body:
 
   - type: markdown
     attributes:
-      value: |
-        **Important Note:** Gameplay and balance changes require preliminary discussion, and consensus must be reached with the Balancing team.<br>
-        If this is a gameplay change, please add the *Needs Design Input* label, and open a forum topic for discussing your proposal.<br>
+      value: >
+        **Important Note:** Gameplay and balance changes require preliminary discussion, and
+        consensus must be reached with the Balancing team.<br>
+        If this is a gameplay change, please add the *Needs Design Input* label, and open a forum
+        topic for discussing your proposal.<br>
         You should link that forum topic in the ticket Description above.

.gitea/workflows/checkrefs.yml

@@ -13,7 +13,9 @@ jobs:
         run: pip3 install lxml
       - name: Workaround for authentication problem with LFS
         # https://gitea.com/gitea/act_runner/issues/164
-        run: git config --local http.${{ gitea.server_url }}/${{ gitea.repository }}.git/info/lfs/objects/.extraheader ''
+        run: >
+          git config --local
+          http.${{ gitea.server_url }}/${{ gitea.repository }}.git/info/lfs/objects/.extraheader ''
       - name: Download necessary LFS assets
         run: git lfs pull -I binaries/data/mods/public/maps
       - name: Check for missing references

.pre-commit-config.yaml

@@ -57,8 +57,8 @@ repos:
   - repo: https://github.com/shellcheck-py/shellcheck-py
     rev: v0.10.0.1
     hooks:
-    - id: shellcheck
-      exclude: ^build/premake/premake5/
+      - id: shellcheck
+        exclude: ^build/premake/premake5/
   - repo: https://github.com/igorshubovych/markdownlint-cli
     rev: v0.41.0
     hooks: