add pre-commit linters (#117)

fix linter errors

.pre-commit-config.yaml

@@ -0,0 +1,19 @@
+repos:
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+    -   id: end-of-file-fixer
+    -   id: trailing-whitespace
+-   repo: https://github.com/adrienverge/yamllint
+    rev: v1.33.0
+    hooks:
+    -   id: yamllint
+-   repo: https://github.com/Lucas-C/pre-commit-hooks
+    rev: v1.5.4
+    hooks:
+    -   id: remove-tabs
+-   repo: https://github.com/sirosen/check-jsonschema
+    rev: 0.27.0
+    hooks:
+      - id: check-github-workflows
+      - id: check-github-actions

.yamllint

@@ -0,0 +1,29 @@
+---
+
+extends: default
+
+rules:
+  braces:
+    level: warning
+    max-spaces-inside: 1
+  brackets:
+    level: warning
+    max-spaces-inside: 1
+  colons:
+    level: warning
+  commas:
+    level: warning
+  comments: disable
+  comments-indentation: disable
+  document-start: disable
+  empty-lines:
+    level: warning
+  hyphens:
+    level: warning
+  indentation:
+    level: warning
+    indent-sequences: consistent
+  line-length: disable
+  truthy: disable
+  new-line-at-end-of-file:
+    level: warning

README.md

@@ -4,7 +4,7 @@ Agora Data Manager is a tool that loads the JSON files into Agora's document dat
 # Purpose
 This project allows Agora maintainers to update the Agora database with
 new versions of gene data from Synapse.  This is a manually triggered,
-self-service update. 
+self-service update.
 
 # Execution