Update Readme

Author: AlejandroBaron

README.md

@@ -3,6 +3,15 @@
 
 Just a tiny lib to help with mortgage analysis and visualization in Python.
 
+# Installation
+
+You can install the package via pip:
+
+```bash
+pip install downpyment
+```
+
+# Usage
 The central class is the mortgage one
 
 ```python
@@ -36,3 +45,16 @@ investment = Investment(
 
 MortgageReport(mortgage).report(ep_params=ep_params, inflation_p=2.0, investment=investment)
 ```
+
+This will generate a report like this one:
+
+# Mortgage simulation with early payments
+![Mortgage simulation](mortgage_simulation.png)
+![Mortgage simulation with inflation](mortgage_simulation_inflation.png)
+
+# Mortgage vs investment curves
+![Mortgage vs investment](mortgage_vs_investment.png)
+![Mortgage vs investment with inflation](mortgage_vs_investment_inflation.png)
+
+
+Check the `scripts/simulate.py` file for a complete example.

docs/mortgage_simulation.png

@@ -6,10 +6,10 @@
 
 
 mortgage = Mortgage(
-    property_price=450_000,
+    property_price=300_000,
     interest=Interest(rate=1.85, scale=YEARLY_INTEREST_SCALE, perc=True),
     n_steps=30,
-    downpayment=0,
+    downpayment=30_000,
     tax_perc=8,
 )