Orchestrator, Executor and Executor Spawners (#3)

* feat: initial orchestrator struct with simple test code

* feat: orchestrator, executor and executor spawner

* feat: added basic test cases

* chore: remove unused csv files

* fix: use default csv file on test

* fix: test cases

* feat: error handling with cancellation

* feat: created mock spawner and added more test cases

* chore: cancel when occur error

* chore: Update README

* chore: renamed spanwers and small updates on README

* fix: warnings; Update README

* chore: update README with diagram

* fix: refactor; updated README

* fix: assign unused port on mock server

* feat: finish cloud spawner

* feat: added test case for CloudSpawner; Update README

* feat: added aggregation example

* fix: clippy; feature flag to use nightly in example

* fix: applied latest v1 improvement

* fix: example; README

* fix: retrieving preimage from sibling mini tree on AggregationMerkleSumTree

* fix: example; updated README

* fix: more error handling; added retry on executor

* chore: added description as in-line comments

* fix: update README for mini tree server; removed some part on main README

* chore: update README and added description as in-line

* fix: latest v1; minor changes on comments

* chore: update README; move csv folder to root

* fix: return a ref of empty array on un-intended fn on AggregationMerkleSumTree

* fix: the container now using unused port on host

* fix: applied latest v1-improvement; updated README; fixed minor

Author: sifnoc

.github/workflows/rust.yml

@@ -0,0 +1,23 @@
+name: Aggregation Test
+
+on:
+  push:
+    branches: ["*"]
+  pull_request:
+    branches: ["*"]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build-and-test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+
+    - name: Pull mini-tree image
+      run: docker pull summadev/summa-aggregation-mini-tree:latest
+    
+    - name: Run tests
+      run: cargo test --features docker