[easy][fboss][oss] Introduce pre-commit-hooks to check easy linters

[joseph5wu]

Pre-submission checklist

• I've ran the linters locally and fixed lint errors related to the files I modified in this PR. You can install the linters by running pip install -r requirements-dev.txt && pre-commit install
• pre-commit run

Summary

Meta internally is using these basic linter by default.
This will make it easy for any FBOSS OSS user to fix these basic linter issues before creating a pull request, which will make it easier for FBOSS team to import a PR without manually fixing the linter later.

Test Plan

Manually add an empty line at the end of a file to violate the end-of-file-fixer hook check. As you can see from below, it will fix it automatically.

$ git diff                           
diff --git i/.pre-commit-config.yaml w/.pre-commit-config.yaml
index 83c45806b1..6d10834c45 100644
--- i/.pre-commit-config.yaml
+++ w/.pre-commit-config.yaml
@@ -15,3 +15,4 @@ repos:
       - id: check-yaml
       - id: check-json
       - id: check-merge-conflict
+
$ git add .                             
$ pre-commit run               
clang-format.........................................(no files to check)Skipped
trim trailing whitespace.................................................Passed
fix end of files.........................................................Failed
- hook id: end-of-file-fixer
- exit code: 1
- files were modified by this hook

Fixing .pre-commit-config.yaml

check yaml...............................................................Passed
check json...........................................(no files to check)Skipped
check for merge conflicts................................................Passed
$ git status                          
On branch oss_pre_commit
Changes to be committed:
	modified:   .pre-commit-config.yaml

Changes not staged for commit:
	modified:   .pre-commit-config.yaml

$ git diff                
diff --git i/.pre-commit-config.yaml w/.pre-commit-config.yaml
index 6d10834c45..83c45806b1 100644
--- i/.pre-commit-config.yaml
+++ w/.pre-commit-config.yaml
@@ -15,4 +15,3 @@ repos:
       - id: check-yaml
       - id: check-json
       - id: check-merge-conflict
-
$ git add .                           
$ git status                            
On branch oss_pre_commit
Changes to be committed:
	modified:   .pre-commit-config.yaml

[meta-codesync]

@joseph5wu has imported this pull request. If you are a Meta employee, you can view this in D85819265.

[meta-codesync]

@joseph5wu merged this pull request in 3974d3e.