Add github files

.github/FUNDING.yml

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+# These are supported funding model platforms
+
+github: Shougo # Replace with up to 4 GitHub Sponsors-enabled usernames e.g., [user1, user2]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']

.github/ISSUE_TEMPLATE.md

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+**Warning: I will close the issue without the minimal init.vim and the
+reproduction instructions.**
+
+# Problems summary
+
+## Expected
+
+## Environment Information
+
+- dpp.vim version (SHA1):
+
+- denops.vim version (SHA1):
+
+- deno version(`deno -V` output):
+
+- OS:
+
+- neovim/Vim `:version` output:
+
+## Provide a minimal init.vim/vimrc without plugin managers (Required!)
+
+```vim
+" Your minimal init.vim/vimrc
+set runtimepath+=~/path/to/dpp.vim/
+```
+
+## How to reproduce the problem from neovim/Vim startup (Required!)
+
+1. foo
+2. bar
+3. baz
+
+## Screenshot (if possible)
+
+## Upload the log messages by `:redir` and `:message` (if errored)

.github/workflows/deno.yml

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+name: deno
+
+env:
+  DENO_VERSION: 1.x
+  DENOPS_PATH: "./"
+
+on:
+  schedule:
+    - cron: "0 7 * * 0"
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  deno-lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: denoland/setup-deno@main
+        with:
+          deno-version: ${{ env.DENO_VERSION }}
+
+      - name: Check Type
+        run: |
+          find denops -name "*.ts"| xargs deno test --unstable --no-run -A
+
+      - name: Check with deno lint
+        run: deno lint denops
+
+      - name: Check Format
+        run: |
+          deno fmt --check denops
+
+  deno-test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: denoland/setup-deno@main
+        with:
+          deno-version: ${{ env.DENO_VERSION }}
+
+      - name: Test
+        run: |
+          grep -rl Deno.test denops| xargs deno test --unstable -A
+        timeout-minutes: 5