Adding img-fluid to markdown images.

ui/src/components/create-post.tsx

@@ -70,13 +70,13 @@ export class CreatePost extends Component<any, State> {
           <div class="form-group row">
             <label class="col-sm-2 col-form-label">Title</label>
             <div class="col-sm-10">
-              <textarea value={this.state.postForm.name} onInput={linkEvent(this, this.handlePostNameChange)} class="form-control" required rows="3" />
+              <textarea value={this.state.postForm.name} onInput={linkEvent(this, this.handlePostNameChange)} class="form-control" required rows={3} />
             </div>
           </div>
           <div class="form-group row">
             <label class="col-sm-2 col-form-label">Body</label>
             <div class="col-sm-10">
-              <textarea value={this.state.postForm.body} onInput={linkEvent(this, this.handlePostBodyChange)} class="form-control" rows="6" />
+              <textarea value={this.state.postForm.body} onInput={linkEvent(this, this.handlePostBodyChange)} class="form-control" rows={6} />
             </div>
           </div>
           <div class="form-group row">

ui/src/main.css

@@ -27,3 +27,8 @@ body {
 .md-div p {
   margin-bottom: 0px;
 }
+
+.md-div img {
+  max-width: 100%;
+  height: auto;
+}