Relesae 0.2.0

* Rename launch-trail to launchtrail
* Update cargo depedencies
* Use relative URLs in README

.github/workflows/release.yml

@@ -78,15 +78,15 @@ jobs:
         echo RELEASE_TAG=${{ env.SHA_SHORT }} > dist/Makefile
         echo GITHUB_REPO=${{ github.repository }} >> dist/Makefile
         cat mk/Makefile.inc >> dist/Makefile
-        shasum -a 256 dist/launch-trail.wasm > dist/launch-trail.wasm.sha256
+        shasum -a 256 dist/launchtrail.wasm > dist/launchtrail.wasm.sha256
         shasum -a 256 dist/canister-info > dist/canister-info-${{ matrix.name }}.sha256
         mv dist/canister-info dist/canister-info-${{ matrix.name }}
 
-    - name: Upload launch-trail
+    - name: Upload launchtrail
       uses: svenstaro/upload-release-action@v2
       with:
         repo_token: ${{ secrets.GITHUB_TOKEN }}
-        file: dist/launch-trail*
+        file: dist/launchtrail*
         tag: ${{ env.SHA_SHORT }}
         file_glob: true
       if: contains(matrix.os, 'ubuntu')