Merge branch 'development' into fix/dev-tools-pages/finalTouches

* development: (49 commits)
  upgrade to ddex api v3 (#1507)
  Add new deployment related instructions to pipeline README (#1499)
  feature: implement logging and friendly wallet name for Opera
  Fix prettier
  Add missing dependencies
  Remove second yarn call
  Add .gitkeep
  Rename sol-trace-based-tools-common to sol-tracing-utils
  Update packages/sol-trace/README.md
  Update packages/sol-trace/CHANGELOG.json
  Update packages/sol-trace-based-tools-common/src/source_maps.ts
  Update packages/sol-trace-based-tools-common/CHANGELOG.json
  Update packages/sol-profiler/CHANGELOG.json
  Update packages/sol-coverage/CHANGELOG.json
  Update packages/monorepo-scripts/src/test_installation.ts
  chore: changelog update
  fix: account for undefined errors in promisify, not only null
  Clean up docs before publish
  In README's, don't mention non-existent tests (#1497)
  fix: use getBackendBaseUrl instead of hardcoded string
  ...

1 files changed, 75 insertions, 0 deletions

diff --git a/packages/sol-trace/README.md b/packages/sol-trace/README.md
new file mode 100644
index 000000000..86ca2cbd6
--- /dev/null
+++ b/packages/sol-trace/README.md
@@ -0,0 +1,75 @@
+## @0x/sol-trace
+
+Prints a stack trace when a revert is encountered.
+
+### Read the [Documentation](https://0xproject.com/docs/sol-trace).
+
+## Installation
+
+```bash
+yarn add @0x/sol-trace
+```
+
+**Import**
+
+```javascript
+import { RevertTraceSubprovider } from '@0x/sol-trace';
+```
+
+or
+
+```javascript
+var RevertTraceSubprovider = require('@0x/sol-trace').RevertTraceSubprovider;
+```
+
+## Contributing
+
+We welcome improvements and fixes from the wider community! To report bugs within this package, please create an issue in this repository.
+
+Please read our [contribution guidelines](../../CONTRIBUTING.md) before getting started.
+
+### Install dependencies
+
+If you don't have yarn workspaces enabled (Yarn < v1.0) - enable them:
+
+```bash
+yarn config set workspaces-experimental true
+```
+
+Then install dependencies
+
+```bash
+yarn install
+```
+
+### Build
+
+To build this package and all other monorepo packages that it depends on, run the following from the monorepo root directory:
+
+```bash
+PKG=@0x/sol-trace yarn build
+```
+
+Or continuously rebuild on change:
+
+```bash
+PKG=@0x/sol-trace yarn watch
+```
+
+### Clean
+
+```bash
+yarn clean
+```
+
+### Lint
+
+```bash
+yarn lint
+```
+
+### Run Tests
+
+```bash
+yarn test
+```