getting-started: add refs

* sphinxcontrib-hdl-diagrams
* bitstream viewer
* fasm
* yosys plugins
* fpga-tool-perf

Signed-off-by: Unai Martinez-Corral <umartinezcorral@antmicro.com>

Author: umarcor

source/getting-started.hbs

@@ -54,9 +54,28 @@
         </a>
       </div>
       <div class="getting__content">
-      <h3> Other resources (for toolchain developers): </h3>
+      <h3> Other resources:</h3>
       </div>
       <div class="getting__buttons">
+
+        <a href="https://github.com/f4pga/sphinxcontrib-hdl-diagrams">
+          <div class="btn">sphinxcontrib-hdl-diagrams</div>
+        </a>
+
+        <a href="https://github.com/chipsalliance/f4pga-bitstream-viewer">
+          <div class="btn">F4PGA Bitstream Viewer</div>
+        </a>
+
+        <a href="https://github.com/f4pga/yosys-f4pga-plugins">
+          <div class="btn">Yosys Plugins</div>
+        </a>
+
+      </div>
+      <div class="getting__content">
+      <h3> For toolchain developers:</h3>
+      </div>
+      <div class="getting__buttons">
+
         <a href="https://f4pga.readthedocs.io/en/latest/toolchain-desc/index.html">
           <div class="btn">Toolchain Description</div>
         </a>
@@ -69,6 +88,14 @@
           <div class="btn">F4PGA Architectures Visualizer</div>
         </a>
 
+        <a href="https://github.com/chipsalliance/fasm">
+          <div class="btn">FPGA Assembly (FASM) Parser and Generator</div>
+        </a>
+
+        <a href="https://f4pga.github.io/fpga-tool-perf">
+          <div class="btn">FPGA tool performance profiling</div>
+        </a>
+
       </div>
     </section>