Use CSV file hosted on download.microsoft.com

Author: jonels-msft

articles/postgresql/hyperscale/howto-app-stacks-Csharp.md

@@ -274,7 +274,7 @@ The COPY command can yield [tremendous throughput](https://www.citusdata.com/blo
 
 The following code is an example for copying data from a CSV file to a database table.
 
-It requires the file [pharmacies.csv](TODO.csv).
+It requires the file [pharmacies.csv](https://download.microsoft.com/download/d/8/d/d8d5673e-7cbf-4e13-b3e9-047b05fc1d46/pharmacies.csv).
 
 ```csharp
 using Npgsql;

articles/postgresql/hyperscale/howto-app-stacks-java.md

@@ -471,7 +471,7 @@ The COPY command can yield [tremendous throughput](https://www.citusdata.com/blo
 
 The following code is an example for copying data from a CSV file to a database table.
 
-It requires the file [pharmacies.csv](TODO.csv).
+It requires the file [pharmacies.csv](https://download.microsoft.com/download/d/8/d/d8d5673e-7cbf-4e13-b3e9-047b05fc1d46/pharmacies.csv).
 
 ```java
 public static long copyFromFile(Connection connection, String filePath, String tableName)

articles/postgresql/hyperscale/howto-app-stacks-nodejs.md

@@ -279,7 +279,7 @@ npm install pg-copy-streams
 ```
 
 The following code is an example for copying data from a CSV file to a database table.
-It requires the file [pharmacies.csv](TODO.csv).
+It requires the file [pharmacies.csv](https://download.microsoft.com/download/d/8/d/d8d5673e-7cbf-4e13-b3e9-047b05fc1d46/pharmacies.csv).
 
 ```javascript
 // copy.js

articles/postgresql/hyperscale/howto-app-stacks-python.md

@@ -164,7 +164,7 @@ The COPY command can yield [tremendous throughput](https://www.citusdata.com/blo
 
 The following code is an example for copying data from a CSV file to a database table.
 
-It requires the file [pharmacies.csv](TODO.csv).
+It requires the file [pharmacies.csv](https://download.microsoft.com/download/d/8/d/d8d5673e-7cbf-4e13-b3e9-047b05fc1d46/pharmacies.csv).
 
 ```python
 with open('pharmacies.csv', 'r') as f:

articles/postgresql/hyperscale/howto-app-stacks-ruby.md

@@ -181,7 +181,7 @@ The COPY command can yield [tremendous throughput](https://www.citusdata.com/blo
 
 The following code is an example for copying data from a CSV file to a database table.
 
-It requires the file [pharmacies.csv](TODO.csv).
+It requires the file [pharmacies.csv](https://download.microsoft.com/download/d/8/d/d8d5673e-7cbf-4e13-b3e9-047b05fc1d46/pharmacies.csv).
 
 ```ruby
 require 'pg'