add sentiment analaysis mvp

sentiment/README.md

@@ -0,0 +1,23 @@
+# Sentiment Service
+
+This is the Sentiment service
+
+Generated with
+
+```
+micro new sentiment
+```
+
+## Usage
+
+Generate the proto code
+
+```
+make proto
+```
+
+Run the service
+
+```
+micro run .
+```