doc: let's agree on a plan

closes #305

docs/dev/explanation/COMPILATION.md

@@ -54,7 +54,7 @@ Once the MLIR is prepared, the rest of the stack, which you can learn more about
 
 Here is the visual representation of the pipeline:
 
-![Frontend Flow](../_static/compilation-pipeline/frontend_flow.svg)
+![Frontend Flow](../../_static/compilation-pipeline/frontend_flow.svg)
 
 ## Tracing
 
@@ -67,7 +67,7 @@ def f(x):
 
 the goal of tracing is to create the following operation graph without needing any change from the user.
 
-![](../_static/compilation-pipeline/two_x_plus_three.png)
+![](../../_static/compilation-pipeline/two_x_plus_three.png)
 
 (Note that the edge labels are for non-commutative operations. To give an example, a subtraction node represents `(predecessor with edge label 0) - (predecessor with edge label 1)`)
 
@@ -140,7 +140,7 @@ After the entire dataset is evaluated, we assign a data type to each node using
 
 Here is an example, given this operation graph where `x` is encrypted:
 
-![](../_static/compilation-pipeline/two_x_plus_three.png)
+![](../../_static/compilation-pipeline/two_x_plus_three.png)
 
 and this dataset:
 
@@ -218,7 +218,7 @@ x = EncryptedScalar(UnsignedInteger(2))
 
 #### Corresponding Operation Graph
 
-![](../_static/compilation-pipeline/two_x_plus_three.png)
+![](../../_static/compilation-pipeline/two_x_plus_three.png)
 
 ### Topological Transforms
 
@@ -268,7 +268,7 @@ y = EncryptedScalar(UnsignedInteger(1))
 
 #### Corresponding Operation Graph
 
-![](../_static/compilation-pipeline/forty_two_minus_x_plus_y_times_two.png)
+![](../../_static/compilation-pipeline/forty_two_minus_x_plus_y_times_two.png)
 
 ### Topological Transforms
 

docs/dev/explanation/FLOAT-FUSING.md

@@ -24,15 +24,15 @@ Any computation where there is a single variable integer input and a single inte
 
 The `quantized_sin` graph of operations:
 
-![](../_static/float_fusing_example/before.png)
+![](../../_static/float_fusing_example/before.png)
 
 The float subgraph that was detected:
 
-![](../_static/float_fusing_example/subgraph.png)
+![](../../_static/float_fusing_example/subgraph.png)
 
 The simplified graph of operations with the float subgraph condensed in an `ArbitraryFunction` node:
 
-![](../_static/float_fusing_example/after.png)
+![](../../_static/float_fusing_example/after.png)
 
 ## How is it done in concretefhe?
 

docs/dev/explanation/MLIR.md

@@ -0,0 +1,4 @@
+# MLIR
+
+to be done
+

docs/dev/howto/CONTRIBUTING.md

@@ -95,7 +95,7 @@ git checkout $YOUR_BRANCH
 # rebase on top of main branch
 git rebase main
 
-# push the latest version of the local branch to remote 
+# push the latest version of the local branch to remote
 git push --force
 ```