fix(curriculum): add links to Colab notebooks in TensorFlow course (#54601)

Co-authored-by: Tom <20648924+moT01@users.noreply.github.com>

curriculum/challenges/english/11-machine-learning-with-python/tensorflow/convolutional-neural-networks.md

@@ -10,6 +10,10 @@ bilibiliIds:
 dashedName: convolutional-neural-networks
 ---
 
+# --description--
+
+The next few video lessons will reference [this Colab notebook](https://colab.research.google.com/drive/1ZZXnCjFEOkp_KdNcNabd14yok0BAIuwS#forceEdit=true&sandboxMode=true).
+
 # --question--
 
 ## --text--

curriculum/challenges/english/11-machine-learning-with-python/tensorflow/core-learning-algorithms.md

@@ -10,6 +10,10 @@ bilibiliIds:
 dashedName: core-learning-algorithms
 ---
 
+# --description--
+
+The next few video lessons will reference [this Colab notebook](https://colab.research.google.com/drive/15Cyy2H7nT40sGR7TBN5wBvgTd57mVKay#forceEdit=true&sandboxMode=true).
+
 # --question--
 
 ## --text--

curriculum/challenges/english/11-machine-learning-with-python/tensorflow/introduction-to-tensorflow.md

@@ -10,6 +10,10 @@ bilibiliIds:
 dashedName: introduction-to-tensorflow
 ---
 
+# --description--
+
+The next few video lessons will reference [this Colab notebook](https://colab.research.google.com/drive/1F_EWVKa8rbMXi3_fG0w7AtcscFq7Hi7B#forceEdit=true&sandboxMode=true).
+
 # --question--
 
 ## --text--

curriculum/challenges/english/11-machine-learning-with-python/tensorflow/natural-language-processing-with-rnns.md

@@ -10,6 +10,10 @@ bilibiliIds:
 dashedName: natural-language-processing-with-rnns
 ---
 
+# --description--
+
+The next few video lessons will reference [this Colab notebook](https://colab.research.google.com/drive/1ysEKrw_LE2jMndo1snrZUh5w87LQsCxk#forceEdit=true&sandboxMode=true).
+
 # --question--
 
 ## --text--

curriculum/challenges/english/11-machine-learning-with-python/tensorflow/neural-networks-with-tensorflow.md

@@ -10,6 +10,10 @@ bilibiliIds:
 dashedName: neural-networks-with-tensorflow
 ---
 
+# --description--
+
+The next few video lessons will reference [this Colab notebook](https://colab.research.google.com/drive/1m2cg3D1x3j5vrFc-Cu0gMvc48gWyCOuG#forceEdit=true&sandboxMode=true).
+
 # --question--
 
 ## --text--

curriculum/challenges/english/11-machine-learning-with-python/tensorflow/reinforcement-learning-with-q-learning.md

@@ -10,6 +10,10 @@ bilibiliIds:
 dashedName: reinforcement-learning-with-q-learning
 ---
 
+# --description--
+
+The next few video lessons will reference [this Colab notebook](https://colab.research.google.com/drive/1IlrlS3bB8t1Gd5Pogol4MIwUxlAjhWOQ#forceEdit=true&sandboxMode=true).
+
 # --question--
 
 ## --text--