Minor but important Doc updates

More written instructions to come in the next patches of doc updates.

Makefile

diff --git a/Makefile b/Makefile
index 7a1745d..e0a9e5c 100644
--- a/Makefile
+++ b/Makefile
@@ -6,15 +6,14 @@
 ARCHIVES := $(shell find . -type f -name "*.gz")
 ARCHIVE_SOURCES := $(basename $(ARCHIVES))
 
-ifndef PDK_ROOT
-$(error PDK_ROOT is undefined, please export it before running make)
-endif
 
 .DEFAULT_GOAL := ship
-
 # We need portable GDS_FILE pointers...
 .PHONY: ship
 ship: uncompress
+	ifndef PDK_ROOT
+	$(error PDK_ROOT is undefined, please export it before running make)
+	endif
 	@echo "###############################################"
 	@echo "Generating Caravel GDS (sources are in the 'gds' directory)"
 	@sleep 1

README.md

diff --git a/README.md b/README.md
index 447fe6a..cffca22 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,20 @@
 <img src="/doc/ciic_harness.png" width="75%" height="75%"> 
 </p>
 
+## Getting Started:
+
+Start by cloning the repo and uncompressing the files.
+```bash
+git clone https://github.com/efabless/caravel.git
+cd caravel
+make uncompress
+```
+
+Then, you can learn more about the caravel chip by watching these video:
+- Caravel User Project Features -- https://youtu.be/zJhnmilXGPo
+- Aboard Caravel -- How to put your design on Caravel? -- https://youtu.be/9QV8SDelURk
+- Things to Clarify About Caravel -- What versions to use with Caravel? -- https://youtu.be/-LZ522mxXMw
+
 ## Managment SoC
 The managment SoC runs firmware that can be used to:
 - Configure Mega Project I/O pads