Add order-routing-location-rule template

Creates an Order Routing Location Rule which gives all possible locations rank 0

Co-Authored-By: Steven Slade <steven.slade@shopify.com>

Author: 2 people

order-routing-location-rule/rust/.gitignore

@@ -0,0 +1,2 @@
+/target
+.output.graphql

order-routing-location-rule/rust/Cargo.toml.liquid

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+[package]
+name = "{{name | replace: " ", "-" | downcase}}"
+version = "1.0.0"
+edition = "2021"
+
+[dependencies]
+serde = { version = "1.0.13", features = ["derive"] }
+serde_json = "1.0"
+shopify_function = { version = "0.2.3" }
+graphql_client = { git = "https://github.com/graphql-rust/graphql-client", rev = "0776197ad7cfde2c658490e7c7e627a21ed622cb" }
+
+[profile.release]
+lto = true
+opt-level = 'z'
+strip = true

order-routing-location-rule/rust/input.graphql.liquid

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+query Input {
+  fulfillmentGroups {
+    id
+    inventoryLocations {
+      location {
+        id
+      }
+    }
+  }
+}

order-routing-location-rule/rust/metadata.json

@@ -0,0 +1 @@
+{"schemaVersions":{"order_routing_location_rule":{"major":1,"minor":0}}}