changelog: updated for 0.1.0 release

CHANGELOG.md

@@ -0,0 +1,23 @@
+## 0.1.0
+
+Initial development release.
+
+#### Notes
+
+- Based off [tklx/base:stretch](https://github.com/tklx/base)
+- Uses tini for zombie reaping and signal forwarding.
+- Includes blockstack core and virtualchain (rc-0.14.2).
+- Includes blockstack browser portal (v0.8).
+
+- Includes ``EXPOSE 1337 3000 3001 6720``:
+
+    - 1337: cors
+    - 3000: browser portal
+    - 3001: browsersync
+    - 6720: core api
+
+- Builds are automated via CircleCI:
+
+    - Images tagged with ``latest`` are built from the master branch.
+    - Images tagged with ``x.y.z`` refer to signed tagged releases.
+