Release pond v2 (#73)

* feat(pond): initial work on v2

* create Task and GroupTask

* More progress on v2

* Move v2 source code to root directory, add docs and test coverage

* More progress on v2

* Update readme.md file and continue developing new interfaces

* More progress on v2

* Improve docs and refactor APIs

* Set go version to 1.18

* Bump to go 1.20

Author: alitto

.github/workflows/main.yml

@@ -10,7 +10,7 @@ jobs:
     name: Run tests
     strategy:
       matrix:
-        go-version: [1.22.x, 1.21.x, 1.20.x, 1.19.x, 1.18.x]
+        go-version: [1.22.x, 1.21.x, 1.20.x]
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     steps: