readme file added

examples/basic_examples/README.txt

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+README 
+
+The examples in this folder are meant to be an introduction to the use a features of libEsemble.
+
+Some of the examples require the use of external software:
+
+1. MUQ2 - http://muq.mit.edu/ 
+For more detailed installation instructions visit http://muq.mit.edu/master-docs/muqinstall.html 
+Installation: 
+    1. Create a folder to install MUQ2 in 
+    2. In termianl go to directory where you want to download to then
+        git clone https://bitbucket.org/mituq/muq2.git
+        cd muq2
+        cmake -DCMAKE_INSTALL_PREFIX=/my/install/path -DMUQ_USE_PYTHON=ON 
+        make -j4
+        make install
+
+     -j4 is an option specifying that make can use 4 threads for parallel compilation.
+     Depending on what versions of python you have it may be nessecary to add 
+        -DPYTHON_EXECUTABLE:FILEPATH=/path/to/python3
+     to the cmake line
+
+     3. Add MUQ2 to the python path by adding following line to bashrc
+        export PYTHONPATH="${PYTHONPATH}:/my/install/path/lib"
+
+2. Pandas (optional for plotting) - https://pandas.pydata.org
+Installation:
+    1. From terminal
+       pip3 install pandas or pip3 install pandas --user