created pswh,dockerfile,action and readme

Dockerfile

@@ -0,0 +1,5 @@
+FROM mcr.microsoft.com/dotnet/sdk:5.0-alpine3.13
+
+COPY pr-naming.ps1 /
+
+ENTRYPOINT [ "pwsh", "-File", "/pr-naming.ps1"]

README.md

@@ -0,0 +1,26 @@
+# PR Naming
+This will take care of your PR naming, if it is matched with the regex pattern you have given or not 
+
+# Example
+```yaml
+name: Delete Tag
+
+on:
+ pull_request:
+    types: [opened, synchronize, reopened, edited] 
+    branches:
+      - master
+
+jobs:
+   pr-title-check::
+    runs-on: windows-latest
+
+    steps:
+
+      - name: Check PR title format
+        uses: ShivamHS/PR-naming@v1.0
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }} 
+          repo:  your-repo-name
+          owner: repo-owner
+          pattern: enter the regex pattern for validation

action.yml

@@ -0,0 +1,30 @@
+name: 'PR Nomencleture'
+
+description: 'Checks if PR is named as per input pattern'
+author: Shivam 
+branding:
+  icon: clipboard
+  color: blue
+
+inputs:
+  token:
+    description: 'GitHub token with repo scope.'
+    required: true
+  owner:
+    description: 'owner of repo.'
+    required: true
+  repo:
+    description: 'The name of the repository.'
+    required: true
+  pattern:
+    description: 'Keyword to match for deletion.'
+    required: true
+
+runs:
+  using: docker
+  image: Dockerfile
+  args:  
+    - ${{ inputs.token }}
+    - ${{ inputs.owner }}
+    - ${{ inputs.repo }}
+    - ${{ inputs.pattern }}

pr-naming.ps1

@@ -0,0 +1,26 @@
+
+param (
+    [string]$Token = $env:INPUT_TOKEN,  
+    [string]$Owner = $env:INPUT_OWNER,
+    [string]$Repo = $env:INPUT_REPO,
+    [string]$Pattern = $env:INPUT_PATTERN
+)
+
+
+$headers = @{
+    Authorization = "Bearer $Token"
+}
+
+Write-Host "$Token, $Owner, $Pattern, $Repo"
+
+$prUrl = "https://api.github.com/repos/$Owner/$Repo/pulls"
+$prs = Invoke-RestMethod -Uri $prUrl -Headers $headers
+
+foreach ($pr in $prs) {
+    $prTitle = $pr.title
+    if ($prTitle -match $Pattern) {
+        Write-Host "PR #$($pr.number): Title is valid: $prTitle"
+    } else {
+        Write-Host "PR #$($pr.number): Invalid title: $prTitle"
+    }
+}