Initialized trunk extension and fixed syntax error

.markdownlint.yaml

@@ -0,0 +1,10 @@
+# Autoformatter friendly markdownlint config (all formatting rules disabled)
+default: true
+blank_lines: false
+bullet: false
+html: false
+indentation: false
+line_length: false
+spaces: false
+url: false
+whitespace: false

.shellcheckrc

@@ -0,0 +1,7 @@
+enable=all
+source-path=SCRIPTDIR
+disable=SC2154
+
+# If you're having issues with shellcheck following source, disable the errors via:
+# disable=SC1090
+# disable=SC1091

.trunk/.gitignore

@@ -0,0 +1,3 @@
+*out
+*logs
+external

.trunk/trunk.yaml

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+version: 0.1
+cli:
+  version: 0.15.1-beta
+lint:
+  enabled:
+    - git-diff-check@SYSTEM
+    - gitleaks@8.9.0
+    - markdownlint@0.32.1
+    - prettier@2.7.1
+    - shellcheck@0.8.0
+    - shfmt@3.5.0